KR100564143B1 - 개선된 응답 특성을 갖는 광학 스캐닝 장치 - Google Patents

개선된 응답 특성을 갖는 광학 스캐닝 장치 Download PDF

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Publication number
KR100564143B1
KR100564143B1 KR1020007010401A KR20007010401A KR100564143B1 KR 100564143 B1 KR100564143 B1 KR 100564143B1 KR 1020007010401 A KR1020007010401 A KR 1020007010401A KR 20007010401 A KR20007010401 A KR 20007010401A KR 100564143 B1 KR100564143 B1 KR 100564143B1
Authority
KR
South Korea
Prior art keywords
objective lens
scanning device
optical scanning
lens holder
holding plate
Prior art date
Application number
KR1020007010401A
Other languages
English (en)
Korean (ko)
Other versions
KR20010042057A (ko
Inventor
스즈키쑤네오
바아스라이너
바텔스우베
바우쉬랄프
Original Assignee
도이체 톰손-브란트 게엠베하
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 도이체 톰손-브란트 게엠베하 filed Critical 도이체 톰손-브란트 게엠베하
Publication of KR20010042057A publication Critical patent/KR20010042057A/ko
Application granted granted Critical
Publication of KR100564143B1 publication Critical patent/KR100564143B1/ko

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0932—Details of sprung supports
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
KR1020007010401A 1998-04-02 1999-03-22 개선된 응답 특성을 갖는 광학 스캐닝 장치 KR100564143B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19814777A DE19814777A1 (de) 1998-04-02 1998-04-02 Optische Abtasteinrichtung mit verbesserter Ansprechcharakteristik
DE19814777.5 1998-04-02

Publications (2)

Publication Number Publication Date
KR20010042057A KR20010042057A (ko) 2001-05-25
KR100564143B1 true KR100564143B1 (ko) 2006-03-27

Family

ID=7863352

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020007010401A KR100564143B1 (ko) 1998-04-02 1999-03-22 개선된 응답 특성을 갖는 광학 스캐닝 장치

Country Status (12)

Country Link
US (1) US6377407B1 (de)
EP (1) EP1070320B1 (de)
JP (1) JP2002510834A (de)
KR (1) KR100564143B1 (de)
CN (1) CN1154987C (de)
AU (1) AU3520499A (de)
BR (1) BR9909343A (de)
DE (2) DE19814777A1 (de)
ID (1) ID26961A (de)
PL (1) PL191532B1 (de)
TW (1) TW452759B (de)
WO (1) WO1999052102A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001110072A (ja) * 1999-10-12 2001-04-20 Sony Corp 光学ピックアップ
JP3661189B2 (ja) * 2003-01-23 2005-06-15 船井電機株式会社 光ピックアップ
JP3982550B2 (ja) * 2003-03-10 2007-09-26 セイコーエプソン株式会社 光学装置の製造装置
KR100630775B1 (ko) * 2004-09-17 2006-10-02 도시바삼성스토리지테크놀러지코리아 주식회사 광픽업용 다중배선 서스펜션 및 상기 다중배선 서스펜션이장착된 광픽업용 액츄에이터
JP2010009684A (ja) * 2008-06-27 2010-01-14 Victor Co Of Japan Ltd 光ピックアップ
KR101350989B1 (ko) 2012-06-13 2014-01-15 도시바삼성스토리지테크놀러지코리아 주식회사 대물렌즈 구동 유니트 및, 이를 적용하는 광 픽업 장치 및 광 디스크 드라이브

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE37084E1 (en) * 1983-05-31 2001-03-06 Matsushita Electric Industrial Co., Ltd. Objective lens driving apparatus for optical disc player
JPS60239939A (ja) * 1984-05-14 1985-11-28 Hitachi Ltd 対物レンズ駆動装置
JPH01235040A (ja) * 1988-03-14 1989-09-20 Asahi Optical Co Ltd 光情報記録再生装置の対物レンズ支持装置
US5046821A (en) * 1988-11-02 1991-09-10 Nec Corporation Optics support for an optical disk drive
JP3246140B2 (ja) 1993-11-16 2002-01-15 ソニー株式会社 対物レンズ駆動装置
EP0735526B1 (de) * 1995-03-31 1998-05-20 Daewoo Electronics Co., Ltd Optisches Abtastgerät
JP2000215477A (ja) 1999-01-19 2000-08-04 Nec Corp 光学ピックアップの２軸アクチュエ―タ

Also Published As

Publication number Publication date
US6377407B1 (en) 2002-04-23
ID26961A (id) 2001-02-22
WO1999052102A1 (en) 1999-10-14
EP1070320A1 (de) 2001-01-24
PL191532B1 (pl) 2006-06-30
BR9909343A (pt) 2000-12-12
DE69903529T2 (de) 2003-04-24
CN1154987C (zh) 2004-06-23
TW452759B (en) 2001-09-01
CN1295707A (zh) 2001-05-16
AU3520499A (en) 1999-10-25
JP2002510834A (ja) 2002-04-09
KR20010042057A (ko) 2001-05-25
PL343160A1 (en) 2001-07-30
DE69903529D1 (de) 2002-11-21
EP1070320B1 (de) 2002-10-16
DE19814777A1 (de) 1999-10-07

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